This work is based on a research accomplished at Florianópolis, which aims to investigate the meanings that adolescents attributes to the sexual and reproductive life. To make more intensive study of the themes investigated by questionnaire (n = 241) in the preliminary survey, twelve male adolescent students (private and public high schools) were interviewed. The main themes investigated were familiar relationship, gender representations, sexual life, STD/SIDA/pregnancy prevention. By a thematic content analysis (longitudinal and transversal) the results suggested a maintenance of traditional positions concerning with gender representations, homosexuality, pregnancy in adolescence and familiar values.